import axios from 'axios';

const service = axios.create({
    responseType: 'arraybuffer'
})

service.interceptors.request.use(config=>{
    config.headers['Authorization'] = window.sessionStorage.getItem('tokenStr');
    return config;
},error => {
    console.log(error);
})

service.interceptors.response.use(resp=>{
    const headers = resp.headers;
    let reg = RegExp(/application\/json/);
    if(headers['content-type'].match(reg)){
        resp.data = unitToString(resp.data);
    }else{
        let fileDownload = require('js-file-download');
        let fileName = headers['content-disposition'].split(';')[1].split('filename=')[1];
        let contentType = headers['content-type'];
        fileName = decodeURIComponent(fileName);
        fileDownload(resp.data,fileName,contentType);
    }
},error=>{
    console.log(error);
})

function unitToString(unitArray) {
    let encodedString = String.fromCharCode.apply(null,new Uint8Array(unitArray));
    let decodedString = decodeURIComponent(escape(encodedString));
    return JSON.parse(decodedString);
}

// let base = '';
export const downloadRequest=(url,params)=>{
    return service({
        method: 'get',
        // url: '${base}${url}',
        url: url,
        data: params
    })
}